PEROZEK Platinum Performance CJ Wellness and Complete Joint Formula &ndash; 3 lbs EFFECTIVENESS: We applied the upgraded formula for PEROZEK cats flea and tick collar to provide the great protection for your cat. The natural essential oil extracts will continuously get rid of the pest which irritates your beloved cat. In addition, the improved formula takes effect on various types of pest such as: fleas, ticks, larvae, lice and mosquitoes. EASY TO USE: Our flea and tick prevention is very easy to use. Simply put this tick control collar on your cats neck, adjust the suitable length, cut off the excessive part and buckle it. The collar continuously works in 8 months, if it is not in use, store it in the original tin box. SAFE FOR PETS AND HUMANS: There will be no worry that your cat could be allergic with this flea and tick collar because the ingredients are 100% natural. Our flea and tick collar is completely safe for cats and human. However, it is better to keep the flea collar out of children reach. ONE SIZE FITS ALL: This flea and tick prevention is 13 inches long which makes it fit for any kinds of cat. No matter you have a big cat or a little one, as long as it is at least 10 weeks old, it could wear our flea control collar. CAUTION: If dogs bathing or swimming occurs more often than once a month, or after exposure to too much rain and sunshine, the duration will be reduced. This collar is with a little smell, no harm for pets, but if your pets will mind it, please consider it.